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Re: What is a difference between `-march=pentiumpro' and `-march=i686'

To: Joe Buck <jbuck at racerx dot synopsys dot com>
Subject: Re: What is a difference between `-march=pentiumpro' and `-march=i686'
From: Richard Henderson <rth at cygnus dot com>
Date: Wed, 25 Oct 2000 17:56:20 -0700
Cc: Dmitry Antipov <antipov at rosnet dot ru>, gcc at gcc dot gnu dot org
References: <Pine.LNX.4.21.0010251159430.545-100000@wraith.rosmail.com> <200010252336.QAA19640@racerx.synopsys.com>

On Wed, Oct 25, 2000 at 04:36:03PM -0700, Joe Buck wrote:
> There does not seem to be any specific PIII code; I think people
> are using i686 but don't know.

A PIII is a PII plus additional SIMD instructions, which
we would not automaticly generate code for in any case.


r~

References:
- What is a difference between `-march=pentiumpro' and `-march=i686'?
  - From: Dmitry Antipov
- Re: What is a difference between `-march=pentiumpro' and `-march=i686'
  - From: Joe Buck

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